According to David Palmer's 2006 book, Parent's Guide to IQ Testing and Gifted Education, the average score for customary intelligence tests is 100 with a standard deviation of 15; approximately 50% of the population will score between 90 and 109 on a modern IQ test.
How long the decomposition of compostable plates takes is a question that many people might ask, and several factors influence what the answer is. Generally, if a compostable plate is placed in a commercial compost facility, it will take less than 180 days to completely decompose.
Quick Answer. Newspapers take about six weeks to decompose, while paper towels take two to four weeks. A paper bag takes about one month to decompose. The decomposition rate of paper depends on what the paper is made of, including any chemicals, fiber, coatings and contaminants. Continue Reading.